1S15.] J^ew Patents. 397 



X. Constituents of Angelica or Changelica. 



This plant, one of the greatest otnaments of cold countries, has 

 been analyzed by John. The following are the constituents which 

 he obtained froni 300 parts of the dried plant. 



Colourless and very volatile oil 



Gum 100'5 



Inulin . . > 1 - 



Bitter extractive 37'5 



Sharp tasted resin • . • • '20 



A peculiar substance, soluble only in potash .... 22 



Woody fibres 90 



Water and loss 18 



300 

 The earthy constituents were 

 Phosphate of lime. Phosphate of magnesia. 



Phosphate of iron. Silica ? 



Article XIV. 



New Patents. 



Robert Dickinson, Great Queen-street, London; for certain 

 improvements in the art of sadlery. Nov. 28, 1814. 



KoBKKT Dickinson, Great Queen-street, London ; for certain 

 improvements in the manufacture of barrels and other packages 

 made of iron or other metals. Dec. 10, 181-4. 



KoBiiRT Salmon, Wohurn, Bedford ; for improved movements 

 and combinations of wlieels for working of cranes, mills, and all 

 sorts of machinery, ehher portable or fixed. Dec. 10, 181 J. 



Edward Glo'vkr, Penton-placc, VValwortii, Surrey; for an 

 apparatus for drawing or extracting bolts, nails, &c. and for various 

 other useful purposes. Dec. 10, 1814. 



Henry Julius Winter, Dover ; for a method of giving efFect 

 to vaiious ojierating processes. Dec. 12, 1814. 



John Francis" WvArr, Furnival's Inn, engineer; for a newr 

 Icind of bricks or blocks, one of which is particularly adapted for 

 the fronts of houses and other buildings, giving to them the appear- 

 ance of stone ; anotlier is applicable to a new metliod of bonding 

 brick-work; also a new kind of blocks or slabs for paving floors, 

 and facing or lining walls, instead of ashler, which will resemble 

 niarl)le or stone, and which may also be applied to steps or stairs, 

 »n'l other parts of buildings. Dec. 15, 1814. 



JobKi'H C. DvEM, of Boston State, America, now residing' in 



